public MimeType Resolve(IMessageHeaders headers)
{
if (headers == null || !headers.ContainsKey(MessageHeaders.CONTENT_TYPE))
{
return(DefaultMimeType);
}
var value = headers[MessageHeaders.CONTENT_TYPE];
if (value == null)
{
return(null);
}
else if (value is MimeType mimeType)
{
return(mimeType);
}
else if (value is string stringVal)
{
return(MimeType.ToMimeType(stringVal));
}
else
{
throw new ArgumentException("Unknown type for contentType header value: " + value.GetType());
}
}
protected bool ContainsReadOnly(IMessageHeaders headers)
{
if (_readOnlyHeaders != null)
{
foreach (var readOnly in _readOnlyHeaders)
{
if (headers.ContainsKey(readOnly))
{
return(true);
}
}
}
return(false);
}